The sources, with what each one supplied

Designation, title, edition, committee, ICS, status, stage, stage date, page count, price and abstract. Retrieved 21 October 2026.

The published framework part, edition 1, 29 pages, free of charge from ISO. Supplies the framework clauses, terms and indicators of confidence that the third part builds on. Record retrieved 21 October 2026.

The public working draft of the framework part, held at the ETSI document box. Used for the framework clause text that the published edition carries. A working draft, not the published edition; the clause wording on this site is our own statement.

The public working draft on benchmarking age assurance systems, held at the ETSI document box. Supplies the analysis units, the accuracy benchmarks and the reporting obligations used on this site. A working draft, not the DIS text.

A research report for the Information Commissioner's Office by the Age Check Certification Scheme and Select Statistics, 2022. Supplies the measurement practice, the sampling questions and the comparability discussion.

The BSI knowledge portal; search for 26/30482273 DC, the BSI reference for the same draft. Supplies the public comment dates, the comment resolution date and the approval date. One national body's timeline, not an ISO publication date.

Trade press, used only to identify the subject areas the public record names for the draft: approaches to analysis, indicators of effectiveness, test method and sampling, measurement characteristics and reporting. No requirement text is taken from it.

The benchmarking framework the public working draft adopts. Named as a reference, not reproduced. The draft cites Parts 1 to 4 for the method, the tasks, the reporting and the data collection.